Dr. Stanton Gerson, dean of the Case Western Reserve University School of Medicine, explained that as astronauts ascend in altitude, their radiation exposure significantly increases, saying, "It's an order of normal magnitude. As you move (into) the atmosphere, you have increased radiation exposure." This indicates that with the extended stay of astronauts on the ISS, there is a continuous and heightened risk associated with their environment.
Dr. Rihana Bokhari, acting chief scientific officer at Baylor College of Medicine, reinforced the concerns about radiation, noting that the ISS' position offers some protection due to the magnetosphere. However, the risks remain significant, as she stated, "In low earth orbit where the ISS is, astronauts are at least partially protected by the magnetosphere that protects Earth from the radiation exposure of deep space. However, they do have a greater risk.
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